import java.util.*;

public class ForEach {
    public static void main (String[] args) {
        List names = Arrays.asList("Justin", "Monica" ,"Irene");
        forEach(names);
        forEach(new HashSet(names));
        forEach(new ArrayDeque(names));
    }

    static void forEach(Iterable iterable) {
        for(Object o: iterable) {
            System.out.println(o);
        }
    }
}